12-letter words containing s, e, t, i, f, r
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- transfection — the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.
- transfermium — having an atomic number greater than 100, the atomic number of fermium.
- transferring — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- tuberiferous — bearing or producing tubers
- tubuliferous — bearing or made up of tubules.
- twenty-first — next after the twentieth; being the ordinal number for 21.
- ultraleftist — ultraleft.
- unstratified — not stratified; not arranged in strata or layers: unstratified rocks.
- vociferosity — the characteristic of being vociferous
- west african — of or relating to West Africa
- wethersfield — a town in central Connecticut.
- zip fastener — a zipper.